Yellow Sapphire stands nine over the hardness scale holding the third position right after Diamond and Moissanite. In case the gemstone is multiple carat then it can't have clean edges. Recognize: Undefined variable: gemOrderName in /residence/jawharat/domains/heerejawharat.com/public_html/inc/displaygemstones.php on line 93 , even within a 1 carat measurement is fairly tough to https://www.apsense.com/article/810029-some-historical-facts-about-sri-lankan-yellow-sapp.html